Xanthus is a distinctive boys' name in United States, ranking #11298 in 2004 with 6 recorded births. This places Xanthus in the bottom 15% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 6 births ranking #11298. In 2004, approximately 1 in every 330,800 boys born was named Xanthus. STABLE Recent data shows the name is currently stable.